Finding the Fourth Proportional to 2,179.55, 3,007.86 and 1,295.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,179.55 : 3,007.86 = 1,295.48 : x
2. Step 2: Convert to fraction form
   2,179.55/3,007.86 = 1,295.48/x
3. Step 3: Cross multiply
   2,179.55x = 3,007.86 × 1,295.48
4. Step 4: Simplify right side
   2,179.55x = 3,896,622.47
5. Step 5: Solve for x
   x = 3,896,622.47/2,179.55
6. Step 6: Final answer
   x = 1,787.81